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Finding the Fourth Proportional to 6,291.93, 9,430 and 5,510.08

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Solution

The fourth proportional to 6,291.93, 9,430 and 5,510.08 is: 8,258.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,291.93 : 9,430 = 5,510.08 : x
  2. Step 2: Convert to fraction form
    6,291.93/9,430 = 5,510.08/x
  3. Step 3: Cross multiply
    6,291.93x = 9,430 × 5,510.08
  4. Step 4: Simplify right side
    6,291.93x = 51,960,054.40
  5. Step 5: Solve for x
    x = 51,960,054.40/6,291.93
  6. Step 6: Final answer
    x = 8,258.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.